ath an ???irreparable loss???.The guru, who rose to prominence in the 1950s, left behind an empire worth an estimated ??5.5bn, a 50 million-strong worldwide following (including celebrities such as Sachin Tendulkar and Goldie Hawn) and the International Sai Organisation, which finances health and education projects across the globe.But Sai Baba???s legacy is far from rosy.